<<<<<<< HEAD
<!DOCTYPE html>
<html>

	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

		<title>慕课网-拖拽效果</title>

		<style type="text/css">
			body {
				background: url(images/baidu_demo.png) no-repeat top center #fff;
				padding: 0px;
				margin: 0px;
				font-size: 12px;
				font-family: "微软雅黑";
			}
			
			.ui-dialog {
				width: 380px;
				height: auto;
				display: none;
				position: absolute;
				z-index: 9000;
				top: 100px;
				left: 100px;
				border: 1px solid #d5d5d5;
				background: #fff;
			}
			
			.ui-dialog a {
				text-decoration: none;
			}
			
			.ui-dialog-title {
				height: 48px;
				line-height: 48px;
				padding-left: 20px;
				color: #535353;
				font-size: 16px;
				background: #f5f5f5;
				border-bottom: 1px solid #efefef;
				cursor: move;
			}
			
			.ui-dialog-title-closebutton {
				width: 16px;
				height: 16px;
				display: block;
				position: absolute;
				top: 12px;
				right: 20px;
				background: url(images/close_def.png);
			}
			
			.ui-dialog-title-closebutton:hover {
				background: url(images/close_hov.png);
			}
			
			.ui-dialog-content {
				padding: 15px 20px;
			}
			
			.ui-dialog-pt15 {
				padding-top: 15px;
			}
			
			.ui-dialog-l40 {
				height: 40px;
				line-height: 40px;
				text-align: right;
				;
			}
			
			.ui-dialog-input {
				width: 100%;
				height: 40px;
				margin: 0px;
				padding: 0px;
				border: 1px solid #d5d5d5;
				font-size: 16px;
				color: #c1c1c1;
				text-indent: 25px;
				outline: none;
			}
			
			.ui-dialog-input-username {
				background: url(images/input_username.png) no-repeat;
			}
			
			.ui-dialog-input-password {
				background: url(images/input_password.png) no-repeat;
			}
			
			.ui-dialog-submit {
				width: 100%;
				height: 50px;
				display: block;
				font-size: 16px;
				color: #fff;
				background: #3b7ae3;
				text-align: center;
				line-height: 50px;
			}
			
			.ui-dialog-submit:hover {
				background: #3f81b0;
			}
			
			.ui-mask {
				width: 100%;
				height: 100%;
				background: #000;
				opacity: 0.4;
				filter: Alpha(opacity=40);
				position: absolute;
				top: 0px;
				left: 0px;
				z-index: 8000;
				display: none;
			}
			
			.link {
				text-align: right;
				line-height: 20px;
				padding-right: 40px;
			}
		</style>

	</head>

	<body>

		<div class="ui-dialog" id="dialog">

			<div class="ui-dialog-title" id="dialogTitle">
				登录通行证
				<a href="javascript:hideDialog();" class="ui-dialog-title-closebutton"></a>
			</div>
			<div class="ui-dialog-content">

				<div class="ui-dialog-pt15 ui-dialog-l40">
					<input type="text" value="手机/邮箱/用户名" class="ui-dialog-input ui-dialog-input-username">
				</div>
				<div class="ui-dialog-pt15 ui-dialog-l40">
					<input type="text" value="密码" class="ui-dialog-input ui-dialog-input-password">
				</div>
				<div class=" ui-dialog-l40 ">
					<a href="#">忘记密码</a>
				</div>
				<div>

					<a href="#" class="ui-dialog-submit">登录</a>

				</div>
				<div class="ui-dialog-l40">
					<a href="#">立即注册</a>
				</div>
			</div>
		</div>

		<div class="ui-mask" id="mask" onslectstart="return false"></div>
		<div class="link">
			<a href="javascript:showDialog();">登录</a>
		</div>

		<script type="text/javascript">
			//  获取元素对象
			function g(id) {
				return document.getElementById(id);
			}

			//  自动居中 - 登录浮层 ( el = Elemenet)
			function autoCenter(el) {
				var bodyW = document.documentElement.clientWidth;
				var bodyH = document.documentElement.clientHeight;

				var elW = el.offsetWidth;
				var elH = el.offsetHeight;

				el.style.left = (bodyW - elW) / 2 + 'px';
				el.style.top = (bodyH - elH) / 2 + 'px';
			}

			//  自动全屏 - 遮罩
			function fillToBody(el) {
				el.style.width = document.documentElement.clientWidth + 'px';
				el.style.height = document.documentElement.clientHeight + 'px';
			}

			var mouseOffsetX = 0; //  偏移
			var mouseOffsetY = 0;

			var isDraging = false; //  是否可拖拽的标记

			//  鼠标事件1 － 在标题栏上按下（要计算鼠标相对拖拽元素的左上角的坐标，并且标记元素为可拖动）
			g('dialogTitle').addEventListener('mousedown', function(e) {
				var e = e || window.event;
				mouseOffsetX = e.pageX - g('dialog').offsetLeft;
				mouseOffsetY = e.pageY - g('dialog').offsetTop;
				isDraging = true;
			})
			//  鼠标事件2 － 鼠标移动时（要检测，元素是否可标记为移动，如果是，则更新元素的位置，到当前鼠标的位置［ps：要减去第一步中获得的偏移］）
			document.onmousemove = function(e) {
				var e = e || window.event;

				var mouseX = e.pageX; // 鼠标当前的位置
				var mouseY = e.pageY;

				var moveX = 0; //  浮层元素的新位置
				var moveY = 0;

				if(isDraging === true) {

					moveX = mouseX - mouseOffsetX;
					moveY = mouseY - mouseOffsetY;

					//  范围限定   moveX > 0 并且  moveX < (页面最大宽度 - 浮层的宽度)
					//            moveY > 0 并且  movey < (页面最大高度 - 浮层的高度)

					var pageWidth = document.documentElement.clientWidth;
					var pageHeight = document.documentElement.clientHeight;

					var dialogWidth = g('dialog').offsetWidth;
					var dialogHeight = g('dialog').offsetHeight;

					var maxX = pageWidth - dialogWidth;
					var maxY = pageHeight - dialogHeight;

					moveX = Math.min(maxX, Math.max(0, moveX));
					moveY = Math.min(maxY, Math.max(0, moveY));

					g('dialog').style.left = moveX + 'px';
					g('dialog').style.top = moveY + 'px';
				}

			}

			//  鼠标事件3 － 鼠标松开的时候（标记元素为不可拖动即可）
			document.onmouseup = function() {
				isDraging = false;
			}

			//  展现登录浮层
			function showDialog() {
				g('dialog').style.display = 'block';
				g('mask').style.display = 'block';
				autoCenter(g('dialog'));
				fillToBody(g('mask'));
			}

			//  隐藏登录浮层
			function hideDialog() {
				g('dialog').style.display = 'none';
				g('mask').style.display = 'none';
			}

			window.onresize = function() {
				autoCenter(g('dialog'));
				fillToBody(g('mask'));
			}
		</script>

	</body>

=======
<!DOCTYPE html>
<html>

	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

		<title>慕课网-拖拽效果</title>

		<style type="text/css">
			body {
				background: url(images/baidu_demo.png) no-repeat top center #fff;
				padding: 0px;
				margin: 0px;
				font-size: 12px;
				font-family: "微软雅黑";
			}
			
			.ui-dialog {
				width: 380px;
				height: auto;
				display: none;
				position: absolute;
				z-index: 9000;
				top: 100px;
				left: 100px;
				border: 1px solid #d5d5d5;
				background: #fff;
			}
			
			.ui-dialog a {
				text-decoration: none;
			}
			
			.ui-dialog-title {
				height: 48px;
				line-height: 48px;
				padding-left: 20px;
				color: #535353;
				font-size: 16px;
				background: #f5f5f5;
				border-bottom: 1px solid #efefef;
				cursor: move;
			}
			
			.ui-dialog-title-closebutton {
				width: 16px;
				height: 16px;
				display: block;
				position: absolute;
				top: 12px;
				right: 20px;
				background: url(images/close_def.png);
			}
			
			.ui-dialog-title-closebutton:hover {
				background: url(images/close_hov.png);
			}
			
			.ui-dialog-content {
				padding: 15px 20px;
			}
			
			.ui-dialog-pt15 {
				padding-top: 15px;
			}
			
			.ui-dialog-l40 {
				height: 40px;
				line-height: 40px;
				text-align: right;
				;
			}
			
			.ui-dialog-input {
				width: 100%;
				height: 40px;
				margin: 0px;
				padding: 0px;
				border: 1px solid #d5d5d5;
				font-size: 16px;
				color: #c1c1c1;
				text-indent: 25px;
				outline: none;
			}
			
			.ui-dialog-input-username {
				background: url(images/input_username.png) no-repeat;
			}
			
			.ui-dialog-input-password {
				background: url(images/input_password.png) no-repeat;
			}
			
			.ui-dialog-submit {
				width: 100%;
				height: 50px;
				display: block;
				font-size: 16px;
				color: #fff;
				background: #3b7ae3;
				text-align: center;
				line-height: 50px;
			}
			
			.ui-dialog-submit:hover {
				background: #3f81b0;
			}
			
			.ui-mask {
				width: 100%;
				height: 100%;
				background: #000;
				opacity: 0.4;
				filter: Alpha(opacity=40);
				position: absolute;
				top: 0px;
				left: 0px;
				z-index: 8000;
				display: none;
			}
			
			.link {
				text-align: right;
				line-height: 20px;
				padding-right: 40px;
			}
		</style>

	</head>

	<body>

		<div class="ui-dialog" id="dialog">

			<div class="ui-dialog-title" id="dialogTitle">
				登录通行证
				<a href="javascript:hideDialog();" class="ui-dialog-title-closebutton"></a>
			</div>
			<div class="ui-dialog-content">

				<div class="ui-dialog-pt15 ui-dialog-l40">
					<input type="text" value="手机/邮箱/用户名" class="ui-dialog-input ui-dialog-input-username">
				</div>
				<div class="ui-dialog-pt15 ui-dialog-l40">
					<input type="text" value="密码" class="ui-dialog-input ui-dialog-input-password">
				</div>
				<div class=" ui-dialog-l40 ">
					<a href="#">忘记密码</a>
				</div>
				<div>

					<a href="#" class="ui-dialog-submit">登录</a>

				</div>
				<div class="ui-dialog-l40">
					<a href="#">立即注册</a>
				</div>
			</div>
		</div>

		<div class="ui-mask" id="mask" onslectstart="return false"></div>
		<div class="link">
			<a href="javascript:showDialog();">登录</a>
		</div>

		<script type="text/javascript">
			//  获取元素对象
			function g(id) {
				return document.getElementById(id);
			}

			//  自动居中 - 登录浮层 ( el = Elemenet)
			function autoCenter(el) {
				var bodyW = document.documentElement.clientWidth;
				var bodyH = document.documentElement.clientHeight;

				var elW = el.offsetWidth;
				var elH = el.offsetHeight;

				el.style.left = (bodyW - elW) / 2 + 'px';
				el.style.top = (bodyH - elH) / 2 + 'px';
			}

			//  自动全屏 - 遮罩
			function fillToBody(el) {
				el.style.width = document.documentElement.clientWidth + 'px';
				el.style.height = document.documentElement.clientHeight + 'px';
			}

			var mouseOffsetX = 0; //  偏移
			var mouseOffsetY = 0;

			var isDraging = false; //  是否可拖拽的标记

			//  鼠标事件1 － 在标题栏上按下（要计算鼠标相对拖拽元素的左上角的坐标，并且标记元素为可拖动）
			g('dialogTitle').addEventListener('mousedown', function(e) {
				var e = e || window.event;
				mouseOffsetX = e.pageX - g('dialog').offsetLeft;
				mouseOffsetY = e.pageY - g('dialog').offsetTop;
				isDraging = true;
			})
			//  鼠标事件2 － 鼠标移动时（要检测，元素是否可标记为移动，如果是，则更新元素的位置，到当前鼠标的位置［ps：要减去第一步中获得的偏移］）
			document.onmousemove = function(e) {
				var e = e || window.event;

				var mouseX = e.pageX; // 鼠标当前的位置
				var mouseY = e.pageY;

				var moveX = 0; //  浮层元素的新位置
				var moveY = 0;

				if(isDraging === true) {

					moveX = mouseX - mouseOffsetX;
					moveY = mouseY - mouseOffsetY;

					//  范围限定   moveX > 0 并且  moveX < (页面最大宽度 - 浮层的宽度)
					//            moveY > 0 并且  movey < (页面最大高度 - 浮层的高度)

					var pageWidth = document.documentElement.clientWidth;
					var pageHeight = document.documentElement.clientHeight;

					var dialogWidth = g('dialog').offsetWidth;
					var dialogHeight = g('dialog').offsetHeight;

					var maxX = pageWidth - dialogWidth;
					var maxY = pageHeight - dialogHeight;

					moveX = Math.min(maxX, Math.max(0, moveX));
					moveY = Math.min(maxY, Math.max(0, moveY));

					g('dialog').style.left = moveX + 'px';
					g('dialog').style.top = moveY + 'px';
				}

			}

			//  鼠标事件3 － 鼠标松开的时候（标记元素为不可拖动即可）
			document.onmouseup = function() {
				isDraging = false;
			}

			//  展现登录浮层
			function showDialog() {
				g('dialog').style.display = 'block';
				g('mask').style.display = 'block';
				autoCenter(g('dialog'));
				fillToBody(g('mask'));
			}

			//  隐藏登录浮层
			function hideDialog() {
				g('dialog').style.display = 'none';
				g('mask').style.display = 'none';
			}

			window.onresize = function() {
				autoCenter(g('dialog'));
				fillToBody(g('mask'));
			}
		</script>

	</body>

>>>>>>> 74cfef3d64ae8b4235b758e0d27b3f6069c1465b
</html>